MESON Chess Problem Database

Problem Display
PID: 81472 (1n6/K7/4p2b/3pk3/1Q1N4/4pR2/5N2/1b1r4 w - - 0 1)

Kamenik, Arnost

Mainzer Allgemeine Zeitung, 1994

1n6/K7/4p2b/3pk3/1Q1N4/4pR2/5N2/1b1r4

#2

5 + 8

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd4
      • 2.Qxb8#
    • 1...Be4
      • 2.Sg4#
    • 1...Sa6
      • 2.Sc6#
    • 1...Sc6+
      • 2.Sxc6#
    • 1...Sd7
      • 2.Sc6#
  • Tries
    • 1.Rf8?
      • threat
        • 2.Sf3#
      • 1...Sc6+
        • 2.Sxc6#
      • 1...Rxd4
        • 2.Qxb8#
      • 1...Be4
        • 2.Sg4#
      • 1...Bxf8!
  • Keys
    • 1.Rf7!
      • threat
        • 2.Sf3#
      • 1...Sc6+
        • 2.Sxc6#
      • 1...Rxd4
        • 2.Qxb8#
      • 1...Be4
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • R(b);SBLOCK,XS(D)::QAB(C),XS(h)
    • B(a);SBLOCK::S(A)
    • S(h);N_GUARD::S(D)
    • S(h);CHECK,N_GUARD::S(D),XS(h)
  • Tries
    • Try
      • R(B);
      • Threat
        • S(D)
      • Vars
        • S(h);CHECK,N_GUARD::S(D),XS(h)
        • R(b);SBLOCK,XS(D)::QAB(C),XS(h)
        • B(a);SBLOCK::S(A)
      • Refutation
        • B(g);XR(B)
  • Actual
    • R(B);
    • Threat
      • S(D)
    • Vars
      • S(h);CHECK,N_GUARD::S(D),XS(h)
      • R(b);SBLOCK,XS(D)::QAB(C),XS(h)
      • B(a);SBLOCK::S(A)
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